#!/usr/bin/python
#  This program is free software. It comes without any warranty, to
#  the extent permitted by applicable law. You can redistribute it
#  and/or modify it under the terms of the Do What The Fuck You Want
#  To Public License, Version 2, a copy of which is provided in the 
#  file LICENSE.txt. 

# Enclose the line below in a loop to have it scrape over multiple pages of a site.
# This line currently scrapes one page to pull out emails. 

import re
import sys
import urllib

url = urllib.urlopen(sys.argv[1])
response = url.read() 

regex = re.compile(r'[\w\-][\w\-\.]+@[\w\-][\w\-\.]+[a-zA-Z]{1,4}')

emails = regex.findall(response)
with open('emails.csv', 'w+') as email_file: 
    email_file.write('\n'.join(set(emails)))